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Effectiveness of Biofeedback in Impr...

Wheat, Amanda L.

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Effectiveness of Biofeedback in Improving Heart Rate Variability Recovery Following Stress.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Effectiveness of Biofeedback in Improving Heart Rate Variability Recovery Following Stress./
Author:	Wheat, Amanda L.
Description:	95 p.
Notes:	Source: Dissertation Abstracts International, Volume: 74-07(E), Section: B.
Contained By:	Dissertation Abstracts International74-07B(E).
Subject:	Psychology, Clinical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3538207
ISBN:	9781303004643

Effectiveness of Biofeedback in Improving Heart Rate Variability Recovery Following Stress.
Wheat, Amanda L.

Effectiveness of Biofeedback in Improving Heart Rate Variability Recovery Following Stress. - 95 p.

Source: Dissertation Abstracts International, Volume: 74-07(E), Section: B.

Thesis (Ph.D.)--West Virginia University, 2012.

The current study was designed to examine the efficacy of heart rate variability (HRV) biofeedback using emWave, a specific biofeedback device available to the public, and to determine whether such treatment affects phasic physiological responses to stress. Twenty-seven individuals (4 males, 23 females), aged 18-30 years (M = 22.54 years, SD = 3.82) participated in the current study. Thirteen individuals were randomly assigned to a control group and received no intervention, whereas the remaining 14 participants underwent 4-8 sessions of emWave intervention. All participants attended pre-treatment and post-treatment assessment sessions during which a stressor protocol was administered; physiological data were collected during rest, during stress, and following stress. EmWave treatment did not confer changes in resting, or tonic, measures of HRV. However, participants who received emWave treatment exhibited higher parasympathetic responses (i.e., pNN50) during stress at the post-treatment session compared to their control counterparts. Significant group differences in HRV were not evident during the post-stress recovery period. Additionally, no treatment effects were evident on self-reported measures of stress, psychological symptoms, or affect administered during the pre- and post-treatment assessment visits. Overall, results from the current study, combined with previous literature, suggest that the emWave may confer some limited treatment effects by increasing HRV in response to stress. Additional development and testing of the emWave treatment protocol is necessary before it can be recommended for regular use in clinical settings, including the determination of what physiological changes occur during HRV biofeedback that contribute to any clinical effects that may occur with the emWave treatment.

ISBN: 9781303004643Subjects--Topical Terms:

524864
Psychology, Clinical.

Effectiveness of Biofeedback in Improving Heart Rate Variability Recovery Following Stress.
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100 1 $a Wheat, Amanda L. $3 2105085
245 1 0 $a Effectiveness of Biofeedback in Improving Heart Rate Variability Recovery Following Stress.
300 $a 95 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-07(E), Section: B.
500 $a Adviser: Kevin T. Larkin.
502 $a Thesis (Ph.D.)--West Virginia University, 2012.
520 $a The current study was designed to examine the efficacy of heart rate variability (HRV) biofeedback using emWave, a specific biofeedback device available to the public, and to determine whether such treatment affects phasic physiological responses to stress. Twenty-seven individuals (4 males, 23 females), aged 18-30 years (M = 22.54 years, SD = 3.82) participated in the current study. Thirteen individuals were randomly assigned to a control group and received no intervention, whereas the remaining 14 participants underwent 4-8 sessions of emWave intervention. All participants attended pre-treatment and post-treatment assessment sessions during which a stressor protocol was administered; physiological data were collected during rest, during stress, and following stress. EmWave treatment did not confer changes in resting, or tonic, measures of HRV. However, participants who received emWave treatment exhibited higher parasympathetic responses (i.e., pNN50) during stress at the post-treatment session compared to their control counterparts. Significant group differences in HRV were not evident during the post-stress recovery period. Additionally, no treatment effects were evident on self-reported measures of stress, psychological symptoms, or affect administered during the pre- and post-treatment assessment visits. Overall, results from the current study, combined with previous literature, suggest that the emWave may confer some limited treatment effects by increasing HRV in response to stress. Additional development and testing of the emWave treatment protocol is necessary before it can be recommended for regular use in clinical settings, including the determination of what physiological changes occur during HRV biofeedback that contribute to any clinical effects that may occur with the emWave treatment.
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